A Cisco DB
A Cisco DB service supports the Progres database engine on Cisco Cisco Unified Communications Manager. On IM and Presence Service, A Cisco DB service supports the IDS database engine.
A Cisco DB Replicator
Cisco Unified Communications Manager and IM and Presence only: The A Cisco DB Replicator service ensures database configuration and data synchronization between the first and subsequent servers in the cluster.
SNMP Master Agent
This service, which acts as the agent protocol engine, provides authentication, authorization, access control, and privacy functions that relate to SNMP requests.
 Tip | After you complete SNMP configuration in the serviceability GUI, you must restart the SNMP Master Agent service in the Control Center—Network Features window. |
MIB2 Agent
This service provides SNMP access to variables, which are defined in RFC 1213, that read and write variables, for example, system, interfaces, and IP.
Host Resources Agent
This service provides SNMP access to host information, such as storage resources, process tables, device information, and installed software base. This service implements the HOST-RESOURCES-MIB.
Native Agent Adaptor
This service, which supports vendor Management Information Bases (MIBs), allows you to forward SNMP requests to another SNMP agent that runs on the system.
For IM and Presence Service and Cisco Cisco Unified Communications Manager, this service will not be present if installed on a Virtual Machine.
System Application Agent
This service provides SNMP access to the applications that are installed and executing on the system. This implements the SYSAPPL-MIB.
Cisco CDP Agent
This service uses the Cisco Discovery Protocol to provide SNMP access to network connectivity information on the node. This service implements the CISCO-CDP-MIB.
Cisco Syslog Agent
This service supports gathering of syslog messages that various Cisco Cisco Unified Communications Manager components generate. This service implements the CISCO-SYSLOG-MIB.
 Caution | Stopping any SNMP service may result in loss of data because the network management system no longer monitors the network. Do not stop the services unless your technical support team tells you to do so. |
Cisco Certificate Change Notification
This service keep certificates of components like Tomcat, CallManager, and XMPP automatically synchronized across all nodes in the cluster. When the service is stopped and you regenerate certificates, then you have manually upload them to Certificate Trust on the other nodes.
Platform Administrative Web Service
The Platform Administrative Web Service is a Simple Object Access Protocol (SOAP) API that can be activated on Cisco Unified Communications Manager, IM and Presence Service, and Cisco Unity Connection systems to allow the PAWS-M server to upgrade the system.
Do not activate the Platform Administrative Web Service on the PAWS-M server.
Cisco Certificate Expiry Monitor
This service periodically checks the expiration status of certificates that the system generates and sends notification when a certificate is close to its expiration date. For Cisco Cisco Unified Communications Manager, you manage the certificates that use this service in Cisco Unified Operating System Administration. For IM and Presence Service, you manage the certificates that use this service in Cisco Unified IM and Presence Operating System Administration.
Cisco License Manager
This service is not supported by IM and Presence Service and Cisco Unity Connection.
Cisco License Manager keeps track of the Cisco Cisco Unified Communications Manager-related licenses that a customer purchases and uses. It controls license checkins and checkouts, and it takes responsibility for issuing and reclaiming Cisco Cisco Unified Communications Manager-related licenses. For Cisco Cisco Unified Communications Manager, Cisco License Manager manages the Cisco Cisco Unified Communications Manager application and the number of IP phone unit licenses. When the number of phones exceeds the number of licenses, it issues alarms.
Cisco Cisco Unified Communications Manager clusters only: This service runs on all the servers, but the service on the first server has the responsibility for issuing and reclaiming licenses.